Dr. Sci., Hokkaido University

Organic functional materials

Functional solid state chemistry

Structural organic chemistry and physical organic chemistry

2019
有機合成化学協会, 第32回研究企画賞 (三井化学 研究企画賞)
International academic award
武田 貴志

2018
分子科学会, 第11回分子科学会奨励賞
International academic award
武田 貴志

2018
日本化学会, 第32回若い世代の特別講演会講演者証
International academic award
武田 貴志

2011
財団法人 井上科学振興財団, 第27回井上研究奨励賞
Japan, Publisher

2006
日本化学会, 日本化学会第86春季年会学生講演賞
Japan, Japan society

Proton Conductivity Switch for Hydrogen-Bonding Octaaminotetraphenylene Salts Through Crystal–Amorphous Transformation During H₂O Sorption
Mu Li; Takashi Takeda; Shun Dekura; Tomoyuki Akutagawa
The Journal of Physical Chemistry C, 128(35), 14834-14841, Aug. 2024, Refereed, Not invited
Corresponding

Solution State‐Like Reactivity of a Flexible Crystalline Werner‐Type Metal Complex
Yunya Zhang; Xin Zheng; Yuki Saito; Takashi Takeda; Norihisa Hoshino; Kiyonori Takahashi; Takayoshi Nakamura; Tomoyuki Akutagawa; Shin‐ichiro Noro
Angewandte Chemie International Edition, Aug. 2024, Refereed, Not invited
Lead

Proton Conduction in Chiral Molecular Assemblies of Azolium–Camphorsulfonate Salts
Chisato Sato; Shun Dekura; Hiroyasu Sato; Kohei Sambe; Takashi Takeda; Takuya Kurihara; Motohiro Mizuno; Takuya Taniguchi; Jiabing Wu; Takayoshi Nakamura; Tomoyuki Akutagawa
Journal of the American Chemical Society, 146(32), 22699-22710, Jul. 2024, Refereed, Not invited
Lead

Ferroelectricity of Alkylamide-Substituted Triptycene Derivatives
Ryohei Mizoue; Takashi Takeda; Shun Dekura; Mikiya Kato; Tomoya Fukui; Yoshiaki Shoji; Takanori Fukushima; Saya Yamane; Yasutaka Suzuki; Jun Kawamata; Tomoyuki Akutagawa
Journal of Materials Chemistry C, 12(15), 5578-5586, Mar. 2024, Refereed, Not invited
Lead

Carrier Transport Switching of Ferroelectric BTBT Derivative
Kohei Sambe; Takashi Takeda; Norihisa Hoshino; Wakana Matsuda; Kazuki Shimada; Kanae Tsujita; Shingo Maruyama; Shunsuke Yamamoto; Shu Seki; Yuji Matsumoto; Tomoyuki Akutagawa
Journal of the American Chemical Society, 146(12), 8557-8566, Mar. 2024, Refereed, Not invited
Corresponding

Condensed π-Molecular Arrangement for –C₂H₄SO₃⁻ Armed Naphthalenediimide
Ryo Ide; Ayumi Kawasaki; Takashi Takeda; Shun Dekura; Norihisa Hoshino; Wakana Matsuda; Shu Seki; Tomoyuki Akutagawa
Journal of Materials Chemistry C, 12(9), 3185-3195, Jan. 2024, Refereed, Not invited
Lead

Ferroelectric Organic Semiconductor: [1]Benzothieno[3,2-b][1]benzothiophene-Bearing Hydrogen-Bonding −CONHC₁₄H₂₉ Chain
Kohei Sambe; Takashi Takeda; Norihisa Hoshino; Wakana Matsuda; Riku Miura; Kanae Tsujita; Shingo Maruyama; Shunsuke Yamamoto; Shu Seki; Yuji Matsumoto; Tomoyuki Akutagawa
ACS Applied Materials & Interfaces, 15(50), 58711-58722, Dec. 2023, Refereed, Not invited
Corresponding

Crystal Design of Photodimerization and Proton Dynamics in Stilbene Dicarboxylate Salts
Yunya Zhang; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
Crystal Growth & Design, 23(12), 9121-9131, Nov. 2023, Refereed, Not invited
Corresponding

Hydrophilic and Hydrophobic Channels of Flexible Crystal Lattice: (Guanidinium)₂(Benzene-1,4-disulfonate)·n(XC₆H₅)
Haruka Abe; Takashi Takeda; Tomoyuki Akutagawa
Crystal Growth & Design, Sep. 2023, Refereed, Not invited
Lead

Selective Gas Sensing under a Mixed Gas Flow with a One-Dimensional Copper Coordination Polymer
Kiyonori Takahashi; Takashi Takeda; Xin Zheng; Shin-ichiro Noro; Tomoyuki Akutagawa; Takayoshi Nakamura
Inorganic Chemistry, 62(37), 14942-14948, Sep. 2023, Refereed, Not invited
Lead

Proton Conduction Crossover and Pyrophosphate Bond Formation of −PO₃H^– Substituted Naphtalenediimide Salts
Ryo Ide; Ayumi Kawasaki; Takashi Takeda; Shun Dekura; Norihisa Hoshino; Wakana Matsuda; Shu Seki; Tomoyuki Akutagawa
The Journal of Physical Chemistry C, 127(33), 16709-16720, Aug. 2023, Refereed, Not invited
Lead

Chiral Plastic Crystal of Solid-State Dual Rotators
Chisato Sato; Takashi Takeda; Shun Dekura; Yasutaka Suzuki; Jun Kawamata; Tomoyuki Akutagawa
Crystal Growth & Design, 23(8), 5889-5898, Jul. 2023, Refereed, Not invited
Lead

アルキルアミド基および折れ曲がり分子の運動を 用いた強誘電体・サーモサリエント結晶の創製
武田貴志; 芥川智行
熱測定, 50(2), 76-84, May 2023, Refereed, Invited
Lead, Corresponding

Ferroelectricity and Phase Change Memory of Bis(tetradecylamide)-Substituted Benzene Derivatives
Ryohei Mizoue; Moeko Kawana; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
The Journal of Physical Chemistry C, 127(4), 1981-1991, Jan. 2023, Refereed, Not invited
Corresponding

Structural Transformable Coulomb Lattice of n-Type Semiconductors for Guest Sorption
Ayumi Kawasaki; Takashi Takeda; Norihisa Hoshino; Wakana Matsuda; Shu Seki; George K. H. Shimizu; Tomoyuki Akutagawa
ACS Applied Materials & Interfaces, 15(1), 1661-1674, Dec. 2022, Refereed, Not invited
Lead

Chemical Design of Organic Ferroelectrics Using Dynamics of Alkylamide Chains
Takashi Takeda; Tomoyuki Akutagawa
Chemical Communications, 58(85), 11898-11912, Sep. 2022, Refereed, Invited
Lead, Corresponding

Thermosalient Effect of 5-Fluorobenzoyl-4-(4-methoxyphenyl)ethynyl-1-methylimidazole without Phase Transition
Youhei Miura; Takashi Takeda; Naoki Yoshioka; Tomoyuki Akutagawa
Crystal Growth & Design, 22(10), 5904-5911, Sep. 2022, Refereed, Not invited
Corresponding

Tetranitro- and Tetraamino-dibenzo[18]crown-6-ether Derivatives: Complexes for Alkali Metal Ions, Redox Potentials, Crystal Structures, Molecular Sorption, and Proton Conducting Behaviours
Yuta Shimizu; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
CrystEngComm, 24(31), 5570-5579, Jun. 2022, Refereed, Not invited
Corresponding

Solid‐State Fluorescence of Excited‐State Cation–Anion Intermolecular Proton Transfer in 2‐(2‐Hydroxypyridyl)benzothiazole
Keigo Takahashi; Kohei Sambe; Yotaro Kasahara; Takashi Takeda; Norihisa Hoshino; Ken‐ichi Sakai; Tomoyuki Akutagawa
Advanced Optical Materials, 10(11), 2200134-2200134, Apr. 2022, Refereed, Not invited
Lead

Ferroelectrics Coupled with Unidirectional Rotation in Liquid Crystals
Jianyun Wu; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
The Journal of Physical Chemistry C, 126(8), 3864-3871, Mar. 2022, Refereed, Not invited
Corresponding

Simple Molecular Ferroelectrics: N,N′-Dialkylterephthalamide Derivatives in the Solid Phase
Moeko Kawana; Ryohei Mizoue; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
Journal of Materials Chemistry C, 10(11), 4208-4217, Feb. 2022, Refereed, Not invited
Corresponding

Electrostatic versus van der Waals Interactions in an n-Type Semiconducting Dianionic Naphthalenediimide Derivative with C_nH_2n+1NH₃⁺ (n = 1–16)
Ayumi Kawasaki; Takashi Takeda; Norihisa Hoshino; Wakana Matsuda; Shu Seki; Tomoyuki Akutagawa
The Journal of Physical Chemistry C, 125(39), 21595-21606, Oct. 2021, Refereed, Not invited
Lead

Crystal Structures and Physical Properties of (M⁺)(Crown Ethers)_x(TCNQ)_y Salts with M⁺ = Li⁺, Na⁺, K⁺, Rb⁺, and Cs⁺
Kohei Sambe; Norihisa Hoshino; Takashi Takeda; Takayoshi Nakamura; Tomoyuki Akutagawa
Crystal Growth & Design, 21(10), 5928-5942, Oct. 2021, Refereed, Not invited
Lead

Ion Polarisation-Assisted Hydrogen-Bonded Ferroelectrics in Liquid Crystalline Domains
Guohao Yuan; Yuko Kimura; Takayuki Kobayashi; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
Chemical Science, 12(40), 13520-13529, Sep. 2021, Refereed, Not invited
Lead

Ferroelectricity of Hydrogen-Bonded Azobenzene Derivatives
Jianyun Wu; Qingyang Zhu; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
ACS Applied Electronic Materials, 3(8), 3521-3529, Aug. 2021, Refereed, Not invited
Lead

Dynamics of Proton, Ion, Molecule, and Crystal Lattice in Functional Molecular Assemblies
Tomoyuki Akutagawa; Takashi Takeda; Norihisa Hoshino
Chemical Communications, 57(68), 8378-8401, Jul. 2021, Refereed, Invited
Lead

Color-Tunable Arylaminoanthraquinone Dyes through Hydrogen-Bond-Assisted Charge Transfer Interaction
Takashi Takeda; Yotaro Kasahara; Tomoyuki Akutagawa
RSC Advances, 11(39), 24217-24231, Jul. 2021, Refereed, Not invited
Lead, Corresponding

Effective Na⁺-Binding Ability and Molecular Assembly of an Alkylamide-Substituted Penta(ethylene)glycol Derivative
Shinya Seto; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
The Journal of Physical Chemistry B, 125(23), 6349-6358, Jun. 2021, Refereed, Not invited
Lead

Fluorescent Molecular Glass Based on Hexadehydrotribenzo[12]annulene
Yotaro Kasahara; Ichiro Hisaki; Tomoyuki Akutagawa; Takashi Takeda
Chemical Communications, 57(44), 5374-5377, May 2021, Refereed, Not invited
Last, Corresponding

Ferroelectric columnar assemblies from the bowl-to-bowl inversion of aromatic cores
Shunsuke Furukawa; Jianyun Wu; Masaya Koyama; Keisuke Hayashi; Norihisa Hoshino; Takashi Takeda; Yasutaka Suzuki; Jun Kawamata; Masaichi Saito; Tomoyuki Akutagawa
Nature Communications, 12, 768-768, Feb. 2021, Refereed, Not invited
Lead

Crystal Lattice Design of_H2O-Tolerant n-Type Semiconducting Dianionic Naphthalenediimide Derivatives
Haruka Abe; Ayumi Kawasaki; Takashi Takeda; Norihisa Hoshino; Wakana Matsuda; Shu Seki; Tomoyuki Akutagawa
Journal of the American Chemical Society, 143(2), 1046-1060, Jan. 2021, Refereed, Not invited
Lead

Dynamic structural reconstruction of (guanidinium+)2(benzene-1,4-disulfonate2−) host crystal by guest adsorption
Haruka Abe; Takahiro Kobayashi; Norihisa Hoshino; Takashi Takeda; Yasutaka Suzuki; Jun Kawamata; Tomoyuki Akutagawa
CrystEngComm, 23(5), 1149-1157, 2021, Refereed, Not invited
Lead

Conformation Change Significantly Affected the Optical and Electronic Properties of Arylsulfonamide-Substituted Anthraquinones
Takashi Takeda; Tomoyuki Akutagawa
Chemical Communications, 56(72), 10564-10567, Aug. 2020, Refereed, Not invited
Lead, Corresponding

Dynamics of Hydrogen-Bonded Molecular Assemblies and their Physical Properties
Takashi Takeda; Tomoyuki Akutagawa
Journal of Synthetic Organic Chemistry, Japan, 78(8), 801-812, Aug. 2020, Refereed, Invited
Lead, Corresponding

Switching of Electron and Ion Conductions by Reversible H2O Sorption in n-Type Organic Semiconductors
Haruka Abe; Ayumi Kawasaki; Takashi Takeda; Norihisa Hoshino; Wakana Matsuda; Shu Seki; Tomoyuki Akutagawa
ACS Applied Materials & Interfaces, 12(33), 37391-37399, Jul. 2020, Refereed, Not invited
Lead

Mixed Columnar Assembly of Ferroelectric and Antiferroelectric Benzene Derivatives Bearing Multiple −CONHC14H29 Chains
Jianyun Wu; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
The Journal of Physical Chemistry B, 124(32), 7067-7074, Jul. 2020, Refereed, Not invited
Lead

Ferroelectric low-voltage ON/OFF switching of chiral benzene-1,3,5-tricarboxamide derivative
Jianyun Wu; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
Journal of Materials Chemistry C, 8(30), 10283-10289, Jul. 2020, Refereed, Not invited
Corresponding

Dynamics of Chiral Cations in Two-Dimensional CuX4 and PbX4 Perovskites (X = Cl and Br)
Masaki Takahashi; Norihisa Hoshino; Kohei Sambe; Takashi Takeda; Tomoyuki Akutagawa
Inorganic Chemistry, 59(16), 11606-11615, Jun. 2020, Refereed, Not invited
Lead

Dynamics and Structural Diversity of Li+(Crown Ether) Supramolecular Cations in Electrically Conducting Salts
Kohei Sambe; Norihisa Hoshino; Takashi Takeda; Takayoshi Nakamura; Tomoyuki Akutagawa
The Journal of Physical Chemistry C, 124(25), 13560-13571, May 2020, Refereed, Not invited
Lead

Structural Modulation of Electrically Conducting TCNQ Salts Using Na+(crown ether) Supramolecular Cations
Kohei Sambe; Norihisa Hoshino; Takashi Takeda; Takayoshi Nakamura; Tomoyuki Akutagawa
Crystal Growth & Design, 20(6), 3625-3634, Mar. 2020, Refereed, Not invited
Lead

Density and Dimensional Control of π-Electrons in Electrostatically Binding Naphthalenediimide Salts
Ayumi Kawasaki; Takashi Takeda; Norihisa Hoshino; Wakana Matsuda; Shu Seki; Tomoyuki Akutagawa
Crystal Growth & Design, 20(2), 1276-1284, Jan. 2020, Refereed, Not invited
Lead

Highly Proton-Conducting Mixed Proton-Transferred ∞ Networks Supported by 2,2′-Diaminobithiazolium in Crystals
Guohao Yuan; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
The Journal of Physical Chemistry C, 124(3), 1861-1871, Dec. 2019, Refereed, Not invited
Lead

Dielectric and Sorption Responses of Hydrogen-Bonding Network of Amorphous C₆₀(OH)₁₂ and C₆₀(OH)₃₆
Shota Uchikawa; Ayumi Kawasaki; Norihisa Hoshino; Takashi Takeda; Shin-ichiro Noro; Kiyonori Takahashi; Takayoshi Nakamura; Nozomi Sato; Ken Kokubo; Hidehiro Sakurai; Tomoyuki Akutagawa
The Journal of Physical Chemistry C, 123(38), 23545-23553, Sep. 2019, Refereed, Not invited
Lead

Organic Functional Materials Based on Molecular Motion in the Condensed Phases
Takashi Takeda
Molecular Science, 13, A0102, Aug. 2019, Refereed, Invited
Lead

Dynamic Motion of Twisted pi System Induced Temperature-Dependent Dielectric Response in the Neat Liquid State
Takashi Takeda; Masataka Ozawa; Tomoyuki Akutagawa
The Journal of Physical Chemistry C, 123(33), 20152-20159, Aug. 2019, Refereed, Not invited
Lead, Corresponding

Ferroelectricity of a Tetraphenylporphyrin Derivative Bearing –CONHC₁₄N₂₉ Chains at 500 K
Juanyun Wu; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
The Journal of Physical Chemistry C, 123(36), 22439-22446, Aug. 2019, Refereed, Not invited
Lead

Nanoscale Effect in One-Dimensional Columnar Supramolecular Ferroelectrics
Hayato Anetai; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
Chemistry-A European Journal, 25(48), 11233-11239, Jun. 2019, Refereed, Not invited
Lead

Versatile Hydrogen Bonded Assemblies of Twisted Tetra[3,4]thienylene Tetracarboxylic Acid with Selective Solvent Sorption
Takashi Takeda; Masataka Ozawa; Tomoyuki Akutagawa
Crystal Growth & Design, 19(8), 4784-4792, Jun. 2019, Refereed, Not invited
Lead, Corresponding

High Thermally Stable n-type Semiconductor up to 850 K Based on Dianionic Naphthalenediimide Derivative
Ayumi Kawasaki; Takashi Takeda; Norihisa Hoshino; Wakana Matsuda; Shu Seki; Tomoyuki Akutagawa
The Journal of Physical Chemistry C, 123(25), 15451-15457, May 2019, Refereed, Not invited
Lead

Jumping Crystal of a Hydrogen‐Bonded Organic Framework Induced by the Collective Molecular Motion of a Twisted π System
Takashi Takeda; Masataka Ozawa; Tomoyuki Akutagawa
Angewandte Chemie International Edition, 58(30), 10345-10352, May 2019, Refereed, Not invited
Lead, Corresponding

Reversible Channel–Layer Structural Transformation of a Hydrogen-Bonded Bis-Urea Macrocycle
Guohao Yuan; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
Crystal Growth & Design, 19(6), 3509-3517, Apr. 2019, Refereed, Not invited
Lead

Selective Formation of a Mixed‐Valence State from Linearly Bridged Oligo(aromatic diamines): Drastic Structural Change into a Folded Columnar Stack for Half‐filled Polycations
Wataru Nojo; Yusuke Ishigaki; Takashi Takeda; Tomoyuki Akutagawa; Takanori Suzuki
Chemistry-A European Journal, 25(32), 7759-7765, Apr. 2019, Refereed, Not invited
Lead

Ferroelectric Alkylamide Substituted Helicene Derivative with 2D Hydrogen-Bonding Lamellar Phase
Hayato Anetai; Takashi Takeda; Norihisa Hoshino; Higashi Kobayashi; Nozomi Saito; Masanori Shigeno; Masahiko Yamaguchi; Tomoyuki Akutagawa
Journal of the American Chemical Society, 141(6), 2391-2397, Jan. 2019, Refereed, Not invited
Lead

C3 Symmetric Hexaphenyltriphenylenehexamide: Molecular Design of Fluorescent Ferroelectrics
Takashi Takeda; Jianyun Wu; Nobuaki Ikenaka; Norihisa Hoshino; Ichiro Hisaki; Tomoyuki Akutagawa
ChemistrySelect, 3(38), 10608-10614, Oct. 2018, Refereed, Not invited
Lead, Corresponding

Preparation, Electronic and Liquid Crystalline Properties of Electron-Accepting Azaacene Derivatives
Takashi Takeda; Tomohiro Ikemoto; Shunsuke Yamamoto; Wakana Matsuda; Shu Seki; Masaya Mitsuishi; Tomoyuki Akutagawa
ACS Omega, 3(10), 13694-13703, Oct. 2018, Refereed, Not invited
Lead, Corresponding

Molecular Structure of the Photo-Oxidation Product of Ellagic Acid in Solution
Hisashi Tokutomi; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
ACS Omega, 3(9), 11179-11183, Sep. 2018, Refereed, Not invited
Corresponding

Molecular Assemblies of Tetrahedral Triphenylmethanol and Triphenylamine Derivatives Bearing –NHCOCnH2n+1 Chains
Satoru Akahane; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
Crystal Growth & Design, 18(10), 6284-6292, Sep. 2018, Refereed, Not invited
Lead

Phase Transition and Molecular Assembly Structure of Ellagic Acid Ester Derivative
Hisashi Tokutomi; Jianyun Wu; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
New Journal of Chemistry, 42(18), 14700-14703, Jul. 2018, Refereed, Not invited
Corresponding

ESIPT Fluorescent Chromism and Conformational Change of 3-(2-Benzothiazolyl)-4-hydroxy-benzenesulfonic acid by Amine Sorption
Yuta Nakane; Takashi Takeda; Norihisa Hoshino; Ken-ichi Sakai; Tomoyuki Akutagawa
The Journal of Physical Chemistry C, 122(28), 16249-16255, Jun. 2018, Refereed, Not invited
Lead

Tubular and lamellar hydrogen-bonding molecular assemblies of isophthalic acid derivatives bearing a –CONHCnH2n+1 chain
Chao Lv; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
RSC Advances, 8(39), 22250-22258, Jun. 2018, Refereed, Not invited
Corresponding

Theremoresponsible Amphipathic Fluorescent Organic Liquid
Takashi Takeda; Shunsuke Yamamoto; Masaya Mitsuishi; Tomoyuki Akutagawa
The Journal of Physical Chemistry C, 122(17), 9593-9598, Apr. 2018, Refereed, Not invited
Lead, Corresponding

Longest C–C Single Bond among Neutral Hydrocarbons with a Bond Length beyond 1.8 Å
Yusuke Ishigaki; Takuya Shimajiri; Takashi Takeda; Ryo Katoono; Takanori Suzuki
Chem, 4(4), 795-806, Mar. 2018, Refereed, Not invited
Lead

Circular Polarized Fluorescence of Hydrogen-Bonded Molecular Assemblies of Chiral Pyrene Derivatives
Hayato Anetai; Takashi Takeda; Norihisa Hoshino; Yasuyuki Araki; Takehiko Wada; Shunsuke Yamamoto; Masaya Mitsuishi; Hiromu Tsuchida; Tomoki Ogoshi; Tomoyuki Akutagawa
The Journal of Physical Chemistry C, 122(11), 6323-6331, Feb. 2018, Refereed, Not invited
Corresponding

Selective Molecular Sorption Coupled with Dynamic Molecular Motions of Hydrogen-Bonded Host-Guest Molecular Crystals
Hiroshi Nishiyama; Takashi Takeda; Norihisa Hoshino; Kiyonori Takahashi; Shin-ichiro Noro; Takayoshi Nakamura; Tomoyuki Akutagawa
Crystal Growth & Design, 18(1), 286-296, Nov. 2017, Refereed, Not invited
Lead

Selective MeCN/EtCN Sorption and Zero Dimensional Rectangular Cage Crystals with Orthogonal Aromatic Supramolecular Synthons
Takashi Takeda; Shin-ichiro Noro; Takayoshi Nakamura; Yasutaka Suzuki; Jun Kawamata; Tomoyuki Akutagawa
CrystEngComm, 20(1), 17-24, Nov. 2017, Refereed, Not invited
Lead, Corresponding

The Emergent Intramolecular Hydrogen Bonding Effect on the Electronic Structures of Organic Electron Acceptors
Takashi Takeda; Yasutaka Suzuki; Jun Kawamata; Shin-ichiro Noro; Takayoshi Nakamura; Tomoyuki Akutagawa
Physical Chemistry Chemical Physics, 19(35), 23905-23909, Aug. 2017, Refereed, Not invited
Lead, Corresponding

Dual Fluorescent Zwitterionic Organogels of a Quinoxalinone Derivative Using Cation–Anion Detection Keys
Yuta Nakane; Takashi Takeda; Norihisa Hoshino; Ken-ichi Sakai; Tomoyuki Akutagawa
Journal of Materials Chemistry C, 5(25), 6234-6242, Jun. 2017, Refereed, Not invited
Lead

On the Formation of Concentric 2D Multicomponent Assemblies at the Solution–Solid Interface
Gangamallaiah Velpula; Takashi Takeda; Jinne Adisoejoso; Koji Inukai; Kazukuni Tahara; Kunal S. Mali; Yoshito Tobe; Steven De Feyter
Chemical Communications, 53(6), 1108-1111, Jan. 2017, Refereed, Not invited
Lead

Electronic and Crystal Structures of 1,2,3-Triazole-Fused p-Benzoquinone Derivatives
M. Sato; T. Takeda; N. Hoshino; T. Akutagawa
CrystEngComm, 19(6), 910-917, Dec. 2016, Refereed, Not invited
Corresponding

Synthesis and Photophysical Properties of Expanded Dehydrobenzoannulene Macrotricycles
Takashi Takeda; Michael M. Haley
Canadian Journal of Chemistry, 95(3), 298-302, Oct. 2016, Refereed, Not invited
Lead

Electron-Deficient Anthraquinone Derivatives as Cathodic Material for Lithium Ion Batteries
Takashi Takeda; Ryosuke Taniki; Asuna Masuda; Itaru Honma; Tomoyuki Akutagawa
Journal of Power Sources, 328, 228-234, Aug. 2016, Refereed, Not invited
Lead, Corresponding

Alkylamide-Substituted Tetraphenylethylene: Three Modes of Fluorescence Based on a Hydrogen-Bonded Excimer
Takashi Takeda; Shunsuke Yamamoto; Masaya Mitsuishi; Tomoyuki Akutagawa
Organic & Biomolecular Chemistry, 14(38), 8922-8926, Aug. 2016, Refereed, Not invited
Lead, Corresponding

Successive Phase Transition, Dielectric Ordering, and Liquid Crystalline Behavior of Simple (Laurylammonium)(Phenyl Phosphates) Salts
Zhong-Sheng Cai; Shota Uchikawa; Norihisa Hoshino; Takashi Takeda; Li-Min Zheng; Shin-ichiro Noro; Takayoshi Nakamura; Tomoyuki Akutagawa
The Journal of Physical Chemistry B, 120(27), 6761-6770, Jun. 2016, Refereed, Not invited
Lead

Anisotropic Dissociation of π-π Stacking and Flipping-Motion-Induced Crystal Jumping in Alkylacridones and Their Dicyanomethylene Derivatives
Takashi Takeda; Tomoyuki Akutagawa
Chemistry - A European Journal, 22(23), 7763-7770, Apr. 2016, Refereed, Not invited
Lead, Corresponding

Diindenopyrenes: Extended 1,6- and 1,8-Pyrenoquinodimethanes with Singlet Diradical Characters
Daijiro Hibi; Kenichi Kitabayashi; Kazuya Fujita; Takashi Takeda; Yoshito Tobe
The Journal of Organic Chemistry, 81(9), 3735-3743, Mar. 2016, Refereed, Not invited
Lead

Conformational Transformations of (C12H25NH3+)(Pyridinesulfonate) in the Solid State
Atsushi Funada; Shota Uchikawa; Norihisa Hoshino; Takashi Takeda; Tomoyuki Akutagawa
Chemistry - An Asian Journal, 11(6), 915-925, Jan. 2016, Refereed, Not invited
Lead

The Crystal Design of Polar One-Dimensional Hydrogen-Bonded Copper Coordination Complexes
Kiyonori Takahashi; Norihisa Hoshino; Takashi Takeda; Koichiro Satomi; Yasutaka Suzuki; Shin-ichiro Noro; Takayoshi Nakamura; Jun Kawamata; Tomoyuki Akutagawa
Dalton Transactions, 45(8), 3398-3406, Dec. 2015, Refereed, Not invited
Lead

Liquid Crystalline Phase Induced by Molecular Rotator and Dipole Fluctuation
Qian-Chong Zhang; Takashi Takeda; Norihisa Hoshino; Shin-ichiro Noro; Takayoshi Nakamura; Tomoyuki Akutagawa
Crystal Growth & Design, 15(12), 5705-5711, Nov. 2015, Refereed, Not invited
Lead

Structural Flexibilities and Gas Adsorption Properties of One-Dimensional Copper(II) Polymers with Paddle-Wheel Units by Modification of Benzoate Ligands
Kiyonori Takahashi; Norihisa Hoshino; Takashi Takeda; Shin-ichiro Noro; Takayoshi Nakamura; Sadamu Takeda; Tomoyuki Akutagawa
Inorganic Chemistry, 54(19), 9423-9431, Sep. 2015, Refereed, Not invited
Lead

Collective In-Plane Molecular Rotator Based on Dibromoiodomesitylene π-Stacks
Jun-ichi Ichikawa; Norihisa Hoshino; Takashi Takeda; Tomoyuki Akutagawa
Journal of the American Chemical Society, 137(40), 13155-13160, Sep. 2015, Refereed, Not invited
Lead

Protonic Conductivity and Hydrogen Bonds in (Haloanilinium)(H2PO4) Crystals
Yuya Yoshii; Norihisa Hoshino; Takashi Takeda; Tomoyuki Akutagawa
The Journal of Physical Chemistry C, 119(36), 20845-20854, Aug. 2015, Refereed, Not invited
Lead

Crystal-to-Crystal Structural Transformation of Hydrogen-Bonding Molecular Crystals of (Imidazolium)(3-Hydroxy-2-Quinoxalinecarboxylate) through H2O Adsorption–Desorption
Y. Yoshii; K. Sakai; N. Hoshino; T. Takeda; S. Noro; T. Nakamura; T. Akutagawa
CrystEngComm, 17(31), 5962-5969, Jun. 2015, Refereed, Not invited
Lead

Cation–Anion Dual Sensing of a Fluorescent Quinoxalinone Derivative Using Lactam–Lactim Tautomerism
Yuta Nakane; Takashi Takeda; Norihisa Hoshino; Ken-ichi Sakai; Tomoyuki Akutagawa
The Journal of Physical Chemistry A, 119(24), 6223-6231, May 2015, Refereed, Not invited
Lead

Fluorescent Ferroelectrics of Hydrogen-Bonded Pyrene Derivatives
Hayato Anetai; Yoshifumi Wada; Takashi Takeda; Norihisa Hoshino; Shunsuke Yamamoto; Masaya Mitsuishi; Taishi Takenobu; Tomoyuki Akutagawa
The Journal of Physical Chemistry Letters, 6(10), 1813-1818, Apr. 2015, Refereed, Not invited
Corresponding

Electron-Deficient Acene-Based Liquid Crystals: Dialkoxydicyanopyrazinoquinoxalines
Takashi Takeda; Jun'ya Tsutsumi; Tatsuo Hasegawa; Shin-ichiro Noro; Takayoshi Nakamura; Tomoyuki Akutagawa
Journal of Materials Chemistry C, 3(13), 3016-3022, Feb. 2015, Refereed, Not invited
Lead, Corresponding

New Insights into the Hexaphenylethane Riddle: Formation of an α,o-Dimer
Yasuto Uchimura; Takashi Takeda; Ryo Katoono; Kenshu Fujiwara; Takanori Suzuki
Angewandte Chemie International Edition, 54(13), 4010-4013, Feb. 2015, Refereed, Not invited
Lead

Preparation, Structure, and Redox Behavior of Bis(diarylmethylene)dihydrothiophene and Its π-Extended Analogues
Takashi Takeda; Tomoyuki Akutagawa
The Journal of Organic Chemistry, 80(4), 2455-2461, Jan. 2015, Refereed, Not invited
Lead, Corresponding

Crystal Structures and Redox Responses Coupled with Ion Recognition of p-Benzoquinone- and Hydroquinone-Fused [18]crown-6
Takayuki Kobayashi; Yuta Nakane; Takashi Takeda; Norihisa Hoshino; Hidetoshi Kawai; Tomoyuki Akutagawa
Chemistry - An Asian Journal, 10(2), 390-396, Dec. 2014, Refereed, Not invited
Lead

Mesophases and Ionic Conductivities of Simple Organic Salts of M(m-Iodobenzoate) (M = Li+, Na+, K+, Rb+, and Cs+)
Manami Endo; Yuta Nakane; Kiyonori Takahashi; Norihisa Hoshino; Takashi Takeda; Shin-ichiro Noro; Takayoshi Nakamura; Tomoyuki Akutagawa
The Journal of Physical Chemistry B, 119(4), 1768-1777, Dec. 2014, Refereed, Not invited
Lead

Bis(10-methylacridinium)s as a Versatile Platform for Redox-Active Functionalized Dyes and Novel Structures
Takanori Suzuki; Takashi Takeda; Eisuke Ohta; Kazuhisa Wada; Ryo Katoono; Hidetoshi Kawai; Kenshu Fujiwara
The Chemical Record, 15(1), 280-294, Nov. 2014, Refereed, Not invited
Lead

The Formation of Organogels and Helical Nanofibers from Simple Organic Salts
Yuya Yoshii; Norihisa Hoshino; Takashi Takeda; Hiroki Moritomo; Jun Kawamata; Takayoshi Nakamura; Tomoyuki Akutagawa
Chemistry - A European Journal, 20(49), 16279-16285, Oct. 2014, Refereed, Not invited
Lead

Multi-Functional Molecular Rotators with Dielectric, Magnetic and Optical Responses
Norihisa Hoshino; Takashi Takeda; Tomoyuki Akutagawa
RSC Advances, 4(2), 743-747, Oct. 2014, Refereed, Not invited
Lead

Dynamic Behavior, Electrochromism, and Two-Photon Absorption of Dicyanomethylenated Quinacridone
Takashi Takeda; Hiroyuki Sugihara; Yasutaka Suzuki; Jun Kawamata; Tomoyuki Akutagawa
The Journal of Organic Chemistry, 79(20), 9669-9677, Sep. 2014, Refereed, Not invited
Lead, Corresponding

Molecular Assembly and Ferroelectric Response of Benzenecarboxamides Bearing Multiple −CONHC14H29 Chains
Yuta Shishido; Hayato Anetai; Takashi Takeda; Norihisa Hoshino; Shin-ichiro Noro; Takayoshi Nakamura; Tomoyuki Akutagawa
The Journal of Physical Chemistry C, 118(36), 21204-21214, Aug. 2014, Refereed, Not invited
Lead

Crystal structures, CO2 adsorption, and dielectric properties of [Cu(ii)2(R-benzoate)4(pyrazine)]∞ polymers (R = m-F, 2,3-F2, m-Cl, and m-CH3)
Kiyonori Takahashi; Norihisa Hoshino; Takashi Takeda; Shin-ichiro Noro; Takayoshi Nakamura; Sadamu Takeda; Tomoyuki Akutagawa
Dalton Transactions, 43(24), 9081-9089, Apr. 2014, Refereed, Not invited
Lead

Preparation and Structure of Acenaphthylene-1,2-Diyldi(9-Acridine) Derivatives with a Long C-C bond
Takashi Takeda; Yasuto Uchimura; Hidetoshi Kawai; Ryo Katoono; Kenshu Fujiwara; Takanori Suzuki
Chemical Communications, 50(30), 3924-3927, Jan. 2014, Refereed, Not invited
Lead, Corresponding

Expandability of Ultralong C–C Bonds: Largely Different C1–C2 Bond Lengths Determined by Low-temperature X-ray Structural Analyses on Pseudopolymorphs of 1,1-Bis(4-Fluorophenyl)-2,2-Bis(4-Methoxyphenyl)pyracene
Takanori Suzuki; Yasuto Uchimura; Fumika Nagasawa; Takashi Takeda; Hidetoshi Kawai; Ryo Katoono; Kenshu Fujiwara; Kei Murakoshi; Takanori Fukushima; Aiichiro Nagaki; Jun-ichi Yoshida
Chemistry Letters, 43(1), 86-88, Oct. 2013, Refereed, Not invited
Lead

Chiral Memory Units Based on Dynamic Redox Systems with a Dibenzoxepinone Skeleton: Drastic Change in Racemization Barrier and Electrochemical Bistability
Takanori Suzuki; Kazuhisa Wada; Yuna Chiba; Takashi Takeda; Hidetoshi Kawai; Ryo Katoono; Kenshu Fujiwara
Heterocycles, 88(2), 945-945, Aug. 2013, Refereed, Not invited
Lead

Hexaphenylethanes with an Ultralong C–C Bond: Expandability of the C–C Bond in Highly Strained Tetraarylpyracenes
Takashi Takeda; Yasuto Uchimura; Hidetoshi Kawai; Ryo Katoono; Kenshu Fujiwara; Takanori Suzuki
Chemistry Letters, 42(9), 954-962, Jul. 2013, Refereed, Invited
Lead

Geometrical Remote Steric Effects in 4,5-Disubstituted-9,10-Dihydrophenanthrenes: Expansion of Prestrained C9–C10 Bond in Di(spiroacridan) Derivatives
Kazuhisa Wada; Takashi Takeda; Hidetoshi Kawai; Ryo Katoono; Kenshu Fujiwara; Takanori Suzuki
Chemistry Letters, 42(10), 1194-1196, Jun. 2013, Refereed, Not invited
Lead

Synthesis and Structure of 1,4,5,8-Tetraethynylnaphthalene Derivatives
Takashi Takeda; Yoshito Tobe
Chemical Communications, 48(63), 7841-7841, Jul. 2012, Refereed, Invited
Lead

Nonadditive Substituent Effects on Expanding Prestrained C–C Bond in Crystal: X-ray Analyses on Unsymmetrically Substituted Tetraarylpyracenes Prepared by a Flow Microreactor Method
Takanori Suzuki; Yasuto Uchimura; Yusuke Ishigaki; Takashi Takeda; Ryo Katoono; Hidetoshi Kawai; Kenshu Fujiwara; Aiichiro Nagaki; Jun-ichi Yoshida
Chemistry Letters, 41(5), 541-543, Apr. 2012, Refereed, Not invited
Lead

Electrophilic Transannular Cyclization of Octadehydrodibenzo[12]annulene Reexamined: Indication of the Formation of Both anti- and syn-Indenofluorenes
Takashi Takeda; Koji Inukai; Kazukuni Tahara; Yoshito Tobe
The Journal of Organic Chemistry, 76(21), 9116-9121, Sep. 2011, Refereed, Not invited
Lead

Synthesis and Photophysical Properties of Expanded Dehydrobenzoannulenoannulene Trefoils
Takashi Takeda; Aaron G. Fix; Michael M. Haley
Organic Letters, 12(17), 3824-3827, Aug. 2010, Refereed, Not invited
Lead

Intramolecular Triarylmethane-Triarylmethylium Complex: Generation, Properties, and X-ray Structure of a C–H Bridged Carbocation
Takanori Suzuki; Takashi Takeda; Yasuyo Yoshimoto; Takayuki Nagasu; Hidetoshi Kawai; Kenshu Fujiwara
Pure and Applied Chemistry, 82(4), 1033-1044, Mar. 2010, Refereed, Not invited
Lead

Phenanthrene-4,5-Diylbis(10-Methylacridinium) with a Short C+ - - C+ Contact: Preparation, Molecular Structure, Redox Properties, and Electrochromic Interconversion with Dihydropyrene Derivative
Takanori Suzuki; Yasuyo Yoshimoto; Kazuhisa Wada; Takashi Takeda; Hidetoshi Kawai; Kenshu Fujiwara
Heterocycles, 80(1), 149-149, Jul. 2009, Refereed, Not invited
Lead

Negligible Diradical Character for the Ultralong C–C bond in 1,1,2,2-Tetraarylpyracene Derivatives at Room Temperature
Takashi Takeda; Hidetoshi Kawai; Rainer Herges; Eva Mucke; Yoshitaka Sawai; Kei Murakoshi; Kenshu Fujiwara; Takanori Suzuki
Tetrahedron Letters, 50(26), 3693-3697, Apr. 2009, Refereed, Not invited
Lead

Intramolecular Methylacridan-Methylacridinium Complexes with a Phenanthrene-4,5-diyl or Related Skeleton: Geometry-Property Relationships in Isolable C-H Bridged Carbocations
Takanori Suzuki; Yasuyo Yoshimoto; Takashi Takeda; Hidetoshi Kawai; Kenshu Fujiwara
Chemistry - A European Journal, 15(9), 2210-2216, Feb. 2009, Refereed, Not invited
Lead

Ultralong C-C bonds in Hexaphenylethane Derivatives
Takanori Suzuki; Takashi Takeda; Hidetoshi Kawai; Kenshu Fujiwara
Pure and Applied Chemistry, 80(3), 547-553, Jan. 2009, Refereed, Not invited
Lead

Ultralong Carbon–Carbon Bonds in Dispirobis(10‐methylacridan) Derivatives with an Acenaphthene, Pyracene, or Dihydropyracylene Skeleton
Hidetoshi Kawai; Takashi Takeda; Kenshu Fujiwara; Makoto Wakeshima; Yukio Hinatsu; Takanori Suzuki
Chemistry - A European Journal, 14(19), 5780-5793, Jun. 2008, Refereed, Not invited
Lead

Intramolecular Triarylmethane–Triarylmethylium Complexes with a Naphthalene-1,8-diyl Skeleton: Isolation, Structure, and Reactivities of the C-H-Bridged Carbocations
Takashi Takeda; Hidetoshi Kawai; Kenshu Fujiwara; Takanori Suzuki
Chemistry - A European Journal, 13(28), 7915-7925, Sep. 2007, Refereed, Not invited
Lead

Chromic and Fluorescence Response System Based on the Dihydrophenanthroline-bipyridine Skeleton: Dynamic Redox Behavior and Metal Binding Properties
Takanori Suzuki; Ryuuichi Tamaki; Eisuke Ohta; Takashi Takeda; Hidetoshi Kawai; Kenshu Fujiwara; Masako Kato
Tetrahedron Letters, 48(22), 3823-3827, Apr. 2007, Refereed, Not invited
Lead

Isolation and Low-Temperature X-ray Analysis of Intramolecular Triarylmethane−Triarylmethylium Complex:  Preference for a C−H-Bridged Unsymmetric Structure Exhibiting a Facile 1,5-Hydride Shift and Charge-Transfer Interaction
Hidetoshi Kawai; Takashi Takeda; Kenshu Fujiwara; Takanori Suzuki
Journal of the American Chemical Society, 127(35), 12172-12173, Aug. 2005, Refereed, Not invited
Lead

Exceptionally Large Difference in Bond Length among Conformational Isomorphs of a Hexaphenylethane Derivative with a Dispiropyracene Skeleton
Hidetoshi Kawai; Takashi Takeda; Kenshu Fujiwara; Tamotsu Inabe; Takanori Suzuki
Crystal Growth & Design, 5(6), 2256-2260, May 2005, Refereed, Not invited
Lead

Short Nonbond and Long C–C Bond in Naphthalene-1,8-Diylbis(10-Methylacridinium) and the Corresponding Hexaphenylethane Derivative: a New Electrochromic Pair Exhibiting Dynamic Redox Properties
Hidetoshi Kawai; Takashi Takeda; Kenshu Fujiwara; Takanori Suzuki
Tetrahedron Letters, 45(45), 8289-8293, Sep. 2004, Refereed, Not invited
Lead

peri-Interaction between Diarylmethyl and Diarylmethylium Units in 1,8-Disubstituted Naphthalenes: Preference of Localized Structure for the C–H Bridged Carbocation
Hidetoshi Kawai; Takayuki Nagasu; Takashi Takeda; Kenshu Fujiwara; Takashi Tsuji; Masakazu Ohkita; Jun-ichi Nishida; Takanori Suzuki
Tetrahedron Letters, 45(23), 4553-4558, Apr. 2004, Refereed, Not invited
Lead

信州大学理学部理学科化学コース 武田研究室
武田貴志
有機結晶部会ニュースレーター, 57, 20 - 21, Apr. 2024, Invited
Lead, Last, Corresponding

分子の熱運動を力学的応答に変換する新しい運動素子の提案とその機能開拓
武田貴志
Annual Report of the Murata Science Foundation, 35, 92 - 98, Dec. 2021, Not invited
Lead, Last, Corresponding

共同的な分子運動が誘起する結晶ジャンプ
武田 貴志; 芥川 智行
化学, 75(1), 66 - 67, Dec. 2019, Invited
Lead, Corresponding

シンプルな分子の運動が切り開く機能性有機材料
武田 貴志
化学と工業, 71(9), 780 - 781, Sep. 2018, Refereed, Invited
Lead, Last, Corresponding

Science of Synthesis Vol. 45b
Yoshito Tobe; Takashi Takeda, Joint work, p.1311-1348 "Polynuclear Cyclophane"
Thieme, Oct. 2009

Strained Hydrocarbon: Beyond the van’t Hoff and Le Bel Hypothesis
Takanori Suzuki; Takashi Takeda; Hidetoshi Kawai; Kenshu Fujiwara, Joint work, p.70-p.82 "Ultralong C-C Bond"
Wiley-VCH, May 2009

第44回信州大学有機化学ジョイントセミナー
武田貴志
第45回信州大学有機化学ジョイントセミナー, Sep. 2024, Not invited

分子の共同的かつ異方的な運動によって誘起される結晶ジャンプ
武田貴志
2023年度北信越有機合成化学若手勉強会, Mar. 2024, Not invited

アルキルアミド置換ヘキサデヒドロトリベンゾ[12]アヌレン誘導体の形成する分子集合体の溶媒依存性
笠原 遥太郎; 武田 貴志; 出倉 駿; 高井 淳朗; 姉帯 勇人; 久木 一朗; 竹内 正之; 芥川 智行
日本化学会第104春季年会, Mar. 2024, Not invited

Molecular Assemblies and Physical Properties of Proton-Transferred Octaaminotetraphenylene Phosphate Salts
Mu Li; Takashi Takeda; Dekura Shun; Tomoyuki Akutagawa
日本化学会第104春季年会, Mar. 2024, Not invited

複数のアルキルアミド基を有するベンゼン誘導体の分子集合構造と物性
飯田 沙織; 笠原 遥太郎; 芥川 智行; 武田 貴志
日本化学会第104春季年会, Mar. 2024, Not invited

2-(p-ベンゾキノニル)ベンゾチアゾール誘導体の合成と構造および物性
對馬 敏高; 武田 貴志; 出倉 駿; 坂井 賢一; 芥川 智行
日本化学会第104春季年会, Mar. 2024, Not invited

キナクリドン色素を基盤とした電子供与体の合成と物性
石﨑 千晴; 武田 貴志
日本化学会第104春季年会, Mar. 2024, Not invited

異なるアリールカルボン酸を有するテトラチエニレンからなる水素結合有機構造体の結晶構造変化
齋藤 元輝; 武田 貴志; 出倉 駿; 芥川 智行
日本化学会第104春季年会, Mar. 2024, Not invited

HBT誘導体およびその電荷移動錯体の結晶構造と物性
對馬敏高; 武田貴志; 出倉駿; 坂井賢一; 芥川智行
第19回バイオオプティクス研究会, Mar. 2024, Not invited

結晶中の分子ダイナミクスに基づく構造変化と光学特性の変調を示す水素結合有機構造体
齋藤 元輝; 武田 貴志; 出倉 駿; 芥川 智行
第19回バイオオプティクス研究会, Mar. 2024, Not invited

Crystal structure and phase transition behavior of dual-rotator type plastic crystal
C. Sato; T. Takeda; S. Dekura; T. Akutagawa
Forth International Conference on Materials Science, Jan. 2024, Not invited

Controlling the molecular orientation and electronic properties of ferroelectric organic semiconductor: BTBT-NHCOC14H29
Kohei Sambe; Takashi Takeda; Shun Dekura; Wakana Matsuda; Kanae Tsujita; Shingo Maruyama; Shunsuke Yamamoto; Shu Seki; Yuji Matsumoto; Tomoyuki Akutagawa
Forth International Conference on Materials Science, Jan. 2024, Not invited

Molecular dynamics of dual-rotator type sulfonamide derivative
Chisato Sato; Takashi Takeda; Shun Dekura; Tomoyuki Akutagawa
2023 JOINT SYMPOSIUM Tohoku University & National Taipei University of Technology, Dec. 2023, Not invited

Crystal structure and phase transition behavior of dual-rotator type plastic crystal
Yotaro Kasahara; Takashi Takeda; Shun Dekura; Atsuro Takai; Hayato Anetai; Ichiro Hisaki; Masayuki Takeuchi; Tomoyuki Akutagawa
2023 JOINT SYMPOSIUM Tohoku University & National Taipei University of Technology, Dec. 2023, Not invited

Physical Properties and Alkylamide Chain Number Depdenece of Triptycenecarboxamide Derivatives
Ryohei Mizoue; Takashi Takeda; Mikiya Kato; Tomoya Fukui; Shoji Yoshiaki; Takanori Fukushima; Tomoyuki Akutagawa
The 14th Japan-China Joint Symposium on Conduction and Photoconduction in Organic Solids and Related Phenomena, Dec. 2023, Not invited

Development and characterization of ferroelectric organic semiconductor: alkylamide substituted R-BTBT-CONHC14H29 (R= H, C8H17)
K. Sambe; T. Takeda; S. Dekura; W. Matsuda; K. Tsujita; S. Maruyama; S. Yamamoto; S. Seki; Y. Matsumoto; T. Akutagawa
The 14th Japan-China Joint Symposium on Conduction and Photoconduction in Organic Solids and Related Phenomena, Dec. 2023, Not invited

有機化合物の運動に立脚した機能性分子性材料
武田貴志; 芥川智行
第54回中部化学関係学協会支部連合秋季大会, Nov. 2023, Not invited

デュアルローター型スルホンアミド誘導体による分子ダイナミクスと柔粘性結晶相の形成
佐藤 千慧; 武田 貴志; 出倉 駿; 芥川 智行
第31回有機結晶シンポジウム, Nov. 2023, Not invited

ハロゲン化テトラ[2,3]チエニレン示す選択的溶媒包接挙動とその結晶構造
齋藤 元輝; 武田 貴志; 出倉 駿; 芥川 智行
第31回有機結晶シンポジウム, Nov. 2023, Not invited

電子供与性ESIPT分子が形成する電荷移動錯体の構造と物性
對馬 敏高; 武田 貴志; 出倉 駿; 坂井 賢一; 芥川 智行
第31回有機結晶シンポジウム, Nov. 2023, Not invited

分子の共同的かつ異方的な運動によって誘起される結晶ジャンプ
武田貴志
第44回信州大学有機化学ジョイントセミナー, Sep. 2023, Not invited

オクタアミノテトラフェニレンが形成するプロトン移動塩の合成と物性
Li Mu; 武田 貴志; 出倉 駿; 芥川 智行
第17回分子科学討論会, Sep. 2023, Not invited

テトラデシルアミド基を有するデヒドロベンゾアヌレン誘導体の分子集合体構造と物性
笠原 遥太郎; 武田 貴志; 出倉 駿; 久木 一朗; 竹内 正之; 高井 淳朗; 姉帯 勇人; 芥川 智行
第17回分子科学討論会, Sep. 2023, Not invited

9-メチルカルバゾールジカルボキサミド誘導体の分子集合体構造と物性
溝上 諒平; 出倉 駿; 武田 貴志; 芥川 智行
第17回分子科学討論会, Sep. 2023, Not invited

電子活性なESIPT分子が形成する電荷移動錯体の構造と物性
對馬 敏高; 武田 貴志; 出倉 駿; 坂井 賢一; 芥川 智行
第17回分子科学討論会, Sep. 2023, Not invited

デュアルローター型スルフォンアミド誘導体の構造と物性
佐藤 千慧; 武田 貴志; 出倉 駿; 芥川 智行
第17回分子科学討論会, Sep. 2023, Not invited

テトラエチレングリコールおよびキラルアルキルアミド鎖を導入したBTBT誘導体の物性制御
三部 宏平; 武田 貴志; 出倉 駿; 松田 若菜; 辻田 香奈瑛; 丸山 伸伍; 山本 俊介; 関 修平; 松本 祐司; 芥川 智行
第17回分子科学討論会, Sep. 2023, Not invited

分子ダイナミクスと光学特性がカップリングした水素結合有機構造体の構造と物性
齋藤 元輝; 武田 貴志; 出倉 駿; 芥川 智行
第17回分子科学討論会, Sep. 2023, Not invited

Structure and physical properties of chiral dual-rotator type plastic crystal
Chisato Sato; Takashi Takeda; Shun Dekura; Tomoyuki Akutagawa
令和5年度化学系学協会東北大会および日本化学会東北支部80周年記念国際会議, Sep. 2023, Not invited

Hydrogen-bonded organic framework based on pi-expanded tetra[2,3]thienylene
Genki Saito; Takashi Takeda; Shun Dekura; Tomoyuki Akutagawa
令和5年度化学系学協会東北大会および日本化学会東北支部80周年記念国際会議, Sep. 2023, Not invited

Structures and Physical Properties of Charge Transfer Complexes Formed by ESIPT Molecule with Electron Donor Properties
Toshitaka Tsushima; Takashi Takeda; Shun Dekura; Ken-ichi Sakai; Tomoyuki Akutagawa
令和5年度化学系学協会東北大会および日本化学会東北支部80周年記念国際会議, Sep. 2023, Not invited

Optical, redox properties and molecular assembly structures of pi-expanded tetrathienylene isomers
Genki Saito; Takashi Takeda; Tomoyuki Akutagawa
26TH CONGRESS AND GENERAL ASSEMBLY OF THE INTERNATIONAL UNION OF CRYSTALLOGRAPHY (IUCr 2023), Aug. 2023, Not invited

Plastic Crystalline Dual Rotator of Sulfonamide Derivative
C. Sato; T. Takeda; S. Dekura; T. Akutagawa
26TH CONGRESS AND GENERAL ASSEMBLY OF THE INTERNATIONAL UNION OF CRYSTALLOGRAPHY (IUCr 2023), Aug. 2023, Not invited

Effect of alkylamide chain number on physical properties of triptycenecarboxamide derivatives
Ryohei Mizoue; Takashi Takeda; Mikiya Kato; Tomoya Fukui; Shoji Yoshiaki; Takanori Fukushima; Tomoyuki Akutagawa
26TH CONGRESS AND GENERAL ASSEMBLY OF THE INTERNATIONAL UNION OF CRYSTALLOGRAPHY (IUCr 2023), Aug. 2023, Not invited

Structural and physical properties of R-BTBT-CONHC14H29 (R = H, C8H17)
K. Sambe; T. Takeda; S. Dekura; N. Hoshino; W. Matsuda; K. Tsujita; S. Maruyama; S. Yamamoto; S. Seki; Y. Matsumoto; T. Akutagawa
26TH CONGRESS AND GENERAL ASSEMBLY OF THE INTERNATIONAL UNION OF CRYSTALLOGRAPHY (IUCr 2023), Aug. 2023, Not invited

Ring Size Effect for Molecular Assembly of C3–symmetric π conjugated molecule with Alkylbenzoate Groups
笠原 遥太郎; 武田 貴志; 出倉 駿; 芥川 智行
動的分子を機序にした分子固体化学の探究第１回研究会, Aug. 2023, Not invited

強誘電性アルキルアミド置換スチルベン誘導体
張 雲雅; 武田 貴志; 芥川 智行
日本化学会第103春季年会, Mar. 2023, Not invited

トリプチセンカルボキサミド誘導体の強誘電性に及ぼすアルキルアミド鎖数の効果
溝上 諒平; 武田 貴志; 嘉藤 幹也; 福井 智也; 庄子 良晃; 福島 孝典; 芥川 智行
日本化学会第103春季年会, Mar. 2023, Not invited

ハイドロキノン部位を有する ESIPT型発光分子の分子集合体構造と物性
對馬 敏高; 武田 貴志; 坂井 賢一; 芥川 智行
日本化学会第103春季年会, Mar. 2023, Not invited

π拡張テトラチエニレンからなる水素結合有機構造体の結晶構造および光学特性
齋藤 元輝; 武田 貴志; 芥川 智行
日本化学会第103春季年会, Mar. 2023, Not invited

アルキルアミド置換したデヒドロベンゾアヌレン誘導体の分子集合体構造と物性
笠原 遥太郎; 武田 貴志; 久木 一朗; 芥川 智行
日本化学会第103春季年会, Mar. 2023, Not invited

キラルなピレニルカンファースルフォンアミドの構造と物性
佐藤 千慧; 三部 宏平; 武田 貴志; 星野 哲久; 芥川 智行
日本化学会第103春季年会, Mar. 2023, Not invited

Molecular Assembly Structures and Physical Properties of pi-expanded Tetrathienylene Derivatives
Genki Saito; Takashi Takeda; Tomoyuki Akutagawa
International Congress on Pure & Applied Chemistry Kota Kinabalu 2022, Nov. 2022, Not invited

Cation Exchange Effect for Molecular Dynamics and Proton Conductivity of Chiral Camphorsulfonate Salts
Chisato Sato; Kohei Sambe; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
International Congress on Pure & Applied Chemistry Kota Kinabalu 2022, Nov. 2022, Not invited

π拡張テトラチエニレンからなる水素結合有機構造体
齋藤元輝; 武田貴志; 芥川智行
ソフトクリスタル研究会, Nov. 2022, Not invited

π拡張テトラチエニレンからなる水素結合有機構造体の結晶構造と物性
齋藤元輝; 武田貴志; 芥川智行
第30回有機結晶シンポジウム, Nov. 2022, Not invited

キラルなCamphorsulfonate塩中の分子ダイナミクスとプロトン伝導性に及ぼすカチオン依存性
佐藤千慧; 三部宏平; 武田貴志; 星野哲久; 芥川智行
第30回有機結晶シンポジウム, Nov. 2022, Not invited

アルキルアミド基を有するデヒドロベンゾアヌレン誘導体の合成、分子集合体構造および物性
笠原遥太郎; 武田貴志; 久木一朗; 芥川智行
第32回基礎有機化学討論会, Sep. 2022, Not invited

環状テトラチオフェンの物性に対する縮環様式の影響と分子集合体構造
齋藤 元輝; 武田 貴志; 芥川 智行
第16回分子科学討論会, Sep. 2022, Not invited

柔軟なアニオン性アームを有するナフタレンジイミド誘導体の結晶構造と物性
井手 瞭; 武田 貴志; 星野 哲久; 松田 若菜; 関 修平; 芥川 智行
第16回分子科学討論会, Sep. 2022, Not invited

トリプチセントリカルボキサミド誘導体の分子集合体構造と強誘電性
溝上 諒平; 武田 貴志; 嘉藤 幹也; 庄子 良晃; 福島 孝典; 星野 哲久; 芥川 智行
第16回分子科学討論会, Sep. 2022, Not invited

2,3-ジアミノフェナジン誘導体の結晶構造と物性
林 あかり; 武田 貴志; 芥川 智行
第16回分子科学討論会, Sep. 2022, Not invited

イミダゾールおよびトリアゾールとキラルなカンファースルフォン酸が形成する分子集合体の結晶構造と物性
佐藤 千慧; 三部 宏平; 武田 貴志; 星野 哲久; 芥川 智行
第16回分子科学討論会, Sep. 2022, Not invited

光固相反応性を有するスチルベンジカルボキシレートとCnH2n+1NH3+ (n = 1~3)から成る塩の構造と物性
張 雲雅; 武田 貴志; 芥川 智行
第16回分子科学討論会, Sep. 2022, Not invited

アルキルアミド置換R-BTBT-NHCOC14H29 (R = H, C8H17)を用いた強誘電性有機半導体の開発
三部宏平; 武田貴志; 星野哲久; 松田若菜; 辻田香奈瑛; 丸山伸伍; 山本俊介; 関修平; 松本祐司; 芥川智行
第16回分子科学討論会, Sep. 2022, Not invited

両親媒性凝集誘起発光液体: 温度依存発光・コロイド形成・鎖長依存性
武田貴志; 山本俊介; 高井淳朗; 姉帯勇人; 竹内正之; 芥川智行
第16回分子科学討論会, Sep. 2022, Not invited

ビチオフェンを置換した2-(2'-ヒドロキシフェニル)ベンゾチアゾール誘導体のESIPT発光特性
林雨禎; 清水桃奈; 武田貴志; 坂井賢一; 芥川智行
第16回分子科学討論会, Sep. 2022, Not invited

テトラアミノジベンゾ[18]クラウン-6とスルホン酸誘導体が形成する塩の構造と物性
清水 裕太; 武田 貴志; 星野 哲久; 芥川 智行
第16回分子科学討論会, Sep. 2022, Not invited

Optical, Redox Properties and Molecular Assembly Structures of Tetrathienylene Derivatives
Genki Saito; Takashi Takeda; Tomoyuki Akutagawa
令和 4 年度化学系学協会東北大会, Sep. 2022, Not invited

Proton conductions in chiral (imidazolium or triazolium)-camphorsulfonate salts
Chisato Sato; Kohei Sambe; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
令和 4 年度化学系学協会東北大会, Sep. 2022, Not invited

Proton-transferred Salts between o-Phenylenediamine-fused Crown Ether and Aromatic Sulfonic Acid
Yuta Shimizu; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
令和 4 年度化学系学協会東北大会, Sep. 2022, Not invited

アルキルアミド鎖のダイナミクスを利用した液晶性有機強誘電体
芥川智行; 武田貴志
2022年日本液晶学会討論会, Sep. 2022, Invited

Molecular Assemblies and Physical Properties of Oligothiophenedicarboxamide Derivatives
Ryohei Mizoue; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
KJF-International Conference on Organic Materials for Electronics and Photonics 2022 (KJF-ICOMEP2022), Sep. 2022, Not invited

Crystal structure and physical properties of photoreactive stilbene dicarboxylate salts with CnH2n+1NH3+ (n = 1, 3), and (CH3)2NH2+
Yunya Zhang; Takashi Takeda; Tomoyuki Akutagawa
KJF-International Conference on Organic Materials for Electronics and Photonics 2022 (KJF-ICOMEP2022), Sep. 2022, Not invited

Physical Properties and Thin Film Structures of Ethylsulfonate-Substituted Naphthalenediimide Derivative
Ryo Ide; Takashi Takeda; Norihisa Hoshino; Wakana Matsuda; Shu Seki; Tomoyuki Akutagawa
KJF-International Conference on Organic Materials for Electronics and Photonics 2022 (KJF-ICOMEP2022), Sep. 2022, Not invited

Crystal structures and proton conductivity in chiral imidazolium - camphorsulfonate salts
Chisato Sato; Kohei Sambe; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
KJF-International Conference on Organic Materials for Electronics and Photonics 2022 (KJF-ICOMEP2022), Sep. 2022, Not invited

Ring Size Effect for Molecular Assembly of Dehydroannulenes with Octylbenzoate Groups
Yotaro Kasahara; Takashi Takeda; Ichiro Hisaki; Tomoyuki Akutagawa
KJF-International Conference on Organic Materials for Electronics and Photonics 2022 (KJF-ICOMEP2022), Sep. 2022, Not invited

Ferroelectric and semiconducting properties of R-BTBT-CONHC14H29 (R = H, C8H17)
Kohei Sambe; Takashi Takeda; Norihisa Hoshino; Wakana Matsuda; Kanae Tsujita; Shingo Maruyama; Shunsuke Yamamoto; Shu Seki; Yuji Matsumoto; Tomoyuki Akutagawa
KJF-International Conference on Organic Materials for Electronics and Photonics 2022 (KJF-ICOMEP2022), Sep. 2022, Not invited

Crystal Lattice Design of H2O-Tolerant n-type Semiconducting Anionic Naphthalenediimide Salts
Ayumi Kawasaki; Haruka Abe; Takashi Takeda; Tomoyuki Akutagawa
8th Asian Conference of Coordination Chemistry, Aug. 2022, Not invited

Physical Properties and Molecular Assemblies of Hydrogen-Bonding Oligothiophene Derivatives
Ryohei Mizoue; Takashi Takeda; Norihisa Hoshino; Tomoyuki Akutagawa
International Conference of Synthetic Metals, Jul. 2022, Not invited

N,N',N''-(ベンゼン-1,3,5-トリイル)トリペンタデカンアミドの分子集合構造と物性
武田貴志; 芥川智行
日本化学会第102春季年会, Mar. 2022, Not invited

Hydrogen-Bonded Assemblies of Twisted Tetra[3,4]thienylene Tetracarboxylic Acid with Selective Solvent Sorption
Takashi Takeda; Tomoyuki Akutagawa
2021 International Chemical Congress of Pacific Basin Societies, Dec. 2021, Not invited

Jumping Crystal of a Hydrogen-Bonded Organic Framework Induced by the Collective Molecular Motion of a Twisted pi System
Takashi Takeda; Tomoyuki Akutagawa
2021 International Chemical Congress of Pacific Basin Societies, Dec. 2021, Not invited

分子集合体のダイナミクスによる機能性材料
武田貴志
2021 年マテリアル・計測ハイブリッド研究センター 若手フォーラム, Nov. 2021, Not invited

酸化還元能を有する立体的な有機構造体の創製と機能
武田貴志; 山本俊介
第8回東北大学若手研究者アンサンブルワークショップ, Nov. 2021, Not invited

有機化合物の分子運動に立脚した機能性材料開発
武田貴志
第8回慶應有機化学若手シンポジウム, May 2021, Invited

アリールアミノ基を複数有するアントラキノン類の光学・電子物性
武田貴志; 芥川智行
日本化学会第100春季年会, Mar. 2020, Not invited

テトラ[2,3]チエニレンテトラカルボン酸が形成するHOFとその結晶ジャンプ
武田貴志; 小澤優喬; 芥川智行
第28回有機結晶シンポジウム, Nov. 2019, Not invited

Jumping Crystal of Hydrogen-Bonded Organic Framework
Takashi Takeda; Tomoyuki Akutagawa
The 13th Japan-China Joint Symposium on Conduction and Photoconduction in Organic Solids and Related Phenomena, Oct. 2019, Invited

折れ曲がり構造を有する[2,3]チエニレンテトラカルボン酸が形成するHOF構造とその結晶ジャンプ
武田 貴志; 小澤 優喬; 芥川 智行
第30回基礎有機化学討論会, Sep. 2019, Not invited

Jumping Crystal of Hydrogen-Bonded Organic Framework Induced by Collective Molecular Motion of Twisted pi System
Takashi Takeda; Masataka Ozawa; Tomoyuki Akutagawa
5th Japan-Taiwan-Singapore-Hong Kong quadrilateral symposium on coordination chemistry, Sep. 2019, Invited

有機化合物の分子運動に立脚した機能性材料開発
武田貴志
第13回分子科学討論会, Sep. 2019, Invited

Hydrogen Bonded Molecular Crystals of Tetrathienylene Tetracarboxylic Acids with Selective Solvent Sorption and Thermosalient Behavior
Takashi Takeda; Masataka Ozawa; Tomoyuki Akutagawa
18th International Symposium on Novel Aromatic Compounds, Jul. 2019, Not invited

Hydrogen Bonded Molecular Crystals of Tetrathienylene Tetracarboxylic Acids with Selective Solvent Sorption and Thermosalient Behavior
Takashi Takeda; Masataka Ozawa; Tomoyuki Akutagawa
14th International Symposium on Functional pi-Electron Systems, Jun. 2019, Not invited

テトラチエニレンテトラカルボン酸が形成する多様な結晶構造と溶媒吸着・サーモサリエント効果
武田 貴志; 小澤 優喬; 芥川 智行
日本化学会第99春季年会, Mar. 2019, Not invited

集積した分子の運動に立脚した機能性材料開拓
武田貴志
ダイナミックアライアンスG1および物質・デバイス領域共同研究拠点事業合同研究会「有機分子集積体の機能設計と精密計測」, Dec. 2018, Invited

水素結合性および電子受容性部位を有するピラジノキノキサリン誘導体の合成と物性
武田貴志; 芥川智行
第12回分子科学討論会, Sep. 2018, Not invited

キラルアルキル鎖を導入したピレンテトラアミドの分子集合と光学特性・強誘電性
武田 貴志; 姉帯 勇人; 星野 哲久; 芥川 智行
第29回基礎有機化学討論会, Sep. 2018, Not invited

折れ曲がり構造を有するテトラ[3,4]チエニレンテトラカルボン酸が形成する水素結合ネットワークと選択的な溶媒吸着
武田 貴志; 小澤 優喬; 星野 哲久; 芥川 智行
第29回基礎有機化学討論会, Sep. 2018, Not invited

Arylsulfonamide-Armed Anthraquinones: The Emergent Hydrogen Bonding Effect on the Organic Electronic Structure and Selective MeCN/EtCN Sorption in the Crystal
Takashi Takeda; Tomoyuki Akutagawa
7th EuCheMS Chemistry Congress, Aug. 2018, Not invited

有機化合物の分子運動に立脚した新奇機能性材料開発
武田貴志
日本化学会低次元光機能材料研究会第7回研究講演会「二次元構造を有するπ電子系の光・電子機能」, Jun. 2018, Invited

有機化合物の集積構造の熱運動性に立脚した新奇バルク機能性材料創製
武田貴志
日本化学会第98春季年会, Mar. 2018, Invited

PEGエステル基を有するテトラフェニルエチレン：凝集特性を示すAIE液体
武田 貴志; 山本 俊介; 三ツ石 方也; 芥川 智行
第11回分子科学討論会, Sep. 2017, Not invited

PEGエステル基を有するテトラフェニルエチレン：凝集特性を示すAIE液体
武田 貴志; 山本 俊介; 三ツ石 方也; 芥川 智行
第28回基礎有機化学討論会, Sep. 2017, Not invited

Crystal Jumping of Alkyl Acridone and its Dicyanomethylenated Derivatives
Takashi Takeda
24th Congress & General Assembly of the International Union of Crystallography 2017, Aug. 2017, Invited

Arylsulfonamide Substituted Anthraquinones: Unique Electronic Structures and Selective Molecular Sorption Behavior
Takashi Takeda; Tomoyuki Akutagawa
17th International symposium on Novel Aromatic Compounds, Jul. 2017, Not invited

Electron-Deficient Acene-Based Liquid Crystals
Takashi Takeda; Tomohiro Ikemoto; Tomoyuki Akutagawa
13th International Symposium on Functional π-Electron Systems, Jun. 2017, Not invited

Weak Noncovalent Interactions for Crystal Jumping and Organic Redox Systems
Takashi Takeda
Seminar, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Jun. 2017, Invited

ジアルコキシピラジノキノキサリンジオンの合成と物性
武田 貴志; 池元 智拾; 星野 哲久; 芥川 智行
日本化学会第97春季年会, Mar. 2017, Not invited

アリールスルホンアミド基を有するアントラキノン：特異な電子状態と溶媒吸着能を有する結晶構造
武田 貴志; 野呂 真一郎; 鈴木 康孝; 川俣 純; 中村 貴義; 芥川 智行
第10回分子科学討論会, Sep. 2016, Not invited

アリールスルホンアミド基を有するアントラキノン：特異な電子状態と溶媒吸着能を有する結晶構造
武田 貴志; 芥川 智行
第27回基礎有機化学討論会, Sep. 2016, Not invited

分子運動と分子間相互作用の変調に基づくアクリドン誘導体の結晶ジャンプ
武田貴志; 芥川智行
第27回基礎有機化学討論会, Sep. 2016, Not invited

Development of Functional Materials Based on Simple Aromatic Compounds: Fluorescent Ferroelectrics and Crystal Jumping
Takashi Takeda
Workshop on New π-Electronic Systems: Theory and Experiments, Apr. 2016, Invited

スルホンアミド基を有するアントラキノンの電子物性、結晶構造と溶媒吸着挙動
武田 貴志; 野呂 真一郎; 川俣 純; 中村 貴義; 芥川 智行
日本化学会第96春季年会, Mar. 2016, Not invited

シンプルな縮環芳香族化合物を基盤とした電子材料の開発
武田貴志
附置研究所間アライアンス第三回若手研究交流会, Nov. 2015, Invited

アザアセンを基盤とした電子受容性液晶の開発
武田貴志; 芥川智行
第二回東北大&GREEN 合同シンポジウム, Oct. 2015, Not invited

ジアルコキシジシアノピラジノキノキサリン誘導体の液晶性と電子物性
武田貴志; 芥川智行
第26回基礎有機化学討論会, Sep. 2015, Not invited

Electron-Deficient Acene-Based Liquid Crystal: Dialkoxydicyanopyrazinoquinoxalines
Takashi Takeda; Jun'ya Tsutsumi; Tatsuo Hasegawa; Shin-ichiro Noro; Takayoshi Nakamura; Tomoyuki Akutagawa
16th International Symposium on Novel Aromatic Compounds, Jul. 2015, Not invited

長鎖アミド基を有するテトラフェニルエチレンの液晶性・光物性・誘電物性
武田 貴志; 姉帯 勇人; 芥川 智行
日本化学会第95春季年会, Mar. 2015, Not invited

キノイド構造を有する電子受容体及び電子供与体の合成・構造とエレクトロクロミズム
武田 貴志; 芥川 智行
第8回分子科学討論会, Sep. 2014, Not invited

アレーンオリゴアミドが示す自己集積挙動と強誘電体物性
武田 貴志; 姉帯 勇人; 宍戸 勇太; 星野 哲久; 芥川 智行
第25回基礎有機化学討論会, Sep. 2014, Not invited

Structure, Dynamic Behavior, and Electrochromism of Quinacridone Derivatives
Takashi Takeda; Tomoyuki Akutagawa
International Conference on Science and Technology of Synthetic Metals 2014, Jul. 2014, Not invited

ジシアノメチレン基を導入したキナクリドン誘導体の動的挙動とエレクトロクロミズム
武田貴志; 芥川智行
日本化学会第94春季年会, Mar. 2014, Not invited

Preparation and Properties of Quinoxaline Based Electron Acceptor
Takashi Takeda; Tomoyuki Akutagawa
International Symposium for the 70th Anniversary of the Tohoku Branch of the Chemical Society of Japan, Sep. 2013, Not invited

長鎖アルコキシ置換ジシアノピラジノキノキサリンが形成する液晶・ナノミセル
武田 貴志; 星野 哲久; 芥川 智行
第７回分子科学討論会, Sep. 2013, Not invited

ジシアノメチレン基が置換したキナクリドン誘導体の構造と光物性
武田 貴志; 杉原 寛之; 富永 亮; 鈴木 康孝; 川俣 純; 芥川 智行
第24回基礎有機化学討論会, Sep. 2013, Not invited

アセナフチレン-1,2-ジイルジ(9-アクリジン)誘導体で認められる長いC=C 結合
武田 貴志; 内村 康人; 上遠野 亮; 河合 英敏; 藤原 憲秀; 鈴木 孝紀
第24回基礎有機化学討論会, Sep. 2013, Not invited

Molecular Structure and Photophysical Properties of Quinacridone and Acridone Based Electron Acceptors
Takashi Takeda; Makoto Tominaga; Yasutaka Suzuki; Jun Kawamata; Tomoyuki Akutagawa
15th International Symposium on Novel Aromatic Compounds, Jul. 2013, Not invited

Liquid Crystalline n-Type Semiconductor: Dicyanopyrazinoquinoxaline Derivative with Long Alkoxy Chains
Takashi Takeda; Tomoyuki Akutagawa
The 11th International Symposium on Functional π-electron systems, Jun. 2013, Not invited

Development of Electron Accepting Materials for Organic Electronics and Non-linear Optics
Takashi Takeda
3rd Discussion Symposium on Artificial Life and Biomimetic Functional Materials, May 2013, Invited

電子受容性を有する長鎖アルコキシ置換ジシアノピラジノキノキサリンの合成と物性
武田貴志; 芥川智行
日本化学会第93春季年会, Mar. 2013, Not invited

Synthesis of Tetraazaacenes Having Four Alkyl or Amide Chains
Takashi Takeda; Tomoyuki Akutagawa
International Conference on Science and Technology of Synthetic Metals 2012, Jul. 2012, Not invited

Synthesis and Photophysical Properties of 1,4,5,8-Tetakis(arylethynyl)naphthalenes
Takashi Takeda; Yoshito Tobe
14th International Symposium on Novel Aromatic Compounds, Jul. 2011, Not invited

Synthesis of syn- and anti-Indenofluorenes by Intramolecular Tandem Annulation Reaction of Octadehydrodibenzo[12]annulene Derivative
Takashi Takeda; Koji Inukai; Kazukuni Tahara; Yoshito Tobe
The 2010 International Chemical Congress of Pacific Basin Societies, Dec. 2010, Not invited

オクタデヒドロジベンゾ[12]アヌレンの分子内タンデム環化によるanti-/syn-インデノフルオレン誘導体の合成
武田 貴志; 犬飼 晃司; 田原 一邦; 戸部 義人
第21回基礎有機化学討論会, Sep. 2010, Not invited

異なる中心コアを有する拡張アヌレン誘導体の合成と特性
武田 貴志; Aaron G. Fix; Michael M. Haley
第20回基礎有機化学討論会, Sep. 2009, Not invited

Thermochromism and Negligible Diradical Character for the Ultralong Carbon-Carbon Bond in Pyracene-Type Hexaphenylethanes
Takashi Takeda; Hidetoshi Kawai; Kenshu Fujiwara; Takanori Suzuki
JSPS Asian CORE Program China-Japan Joint Symposium on Functional Supramolecular Architectures, Aug. 2009, Not invited

近接位に強制されたジアクリジニウム誘導体の電荷移動錯形成
武田 貴志; 河合 英敏; 藤原 憲秀; 鈴木 孝紀
日本化学会第88春季年会, Mar. 2008, Not invited

Ultralong C-C Bond in 1,1,2,2-Tetraarylpyracene Derivatives
Takashi Takeda; Hidetoshi Kawai; Kenshu Fujiwara; Takanori Suzuki
2007 International Symposium on Nano Science and Technology, Nov. 2007, Not invited

Ultralong C-C Bond in Highly Strained Organic Molecules
Takakashi Takeda; Hidetoshi Kawai; Kenshu Fujiwara; Takanori Suzuki
Nanoscience Miniworkshop, Nov. 2007, Not invited

極度に伸張した炭素―炭素結合を有するピラセン型電子供与体のサーモクロミズム
武田貴志; 河合英敏; 藤原憲秀; 鈴木孝紀
第37回構造有機化学討論会, Oct. 2007, Not invited

世界最長の炭素―炭素結合を持つ1,1,2,2-テトラアリールピラセン誘導体の合成とX線構造
武田 貴志; 河合 英敏; 藤原 憲秀; 鈴木 孝紀
三地区若手交流札幌ミニシンポジウム, Jul. 2007, Not invited

C-H架橋カルボカチオンの初めての単離とX線構造解析：分子内電荷移動相互作用と分子内ヒドリドシフト反応
武田 貴志; 河合 英敏; 藤原 憲秀; 鈴木 孝紀
第19回万有札幌シンポジウム, Jul. 2007, Not invited

Isolation and Low-temperature X-ray Analysis of Intramolecular Triarylmethane-Triarylmethylium Complex: Preference for a Localized Structure Exhibiting Facile Intramolecular Hydride Shift and Charge Transfer Interaction
Takashi Takeda; Hidetoshi Kawai; Kenshu Fujiwara; Takanori Suzuki
12th International Symposium on Novel Aromatic Compounds, Jul. 2007, Not invited

Extremely Long Carbon-Carbon Bond of Bis(10-methylacridan) Derivatives Incorporated in Acenaphthene, Pyracene, and Dihydropyracylene Skeleton: X-ray Analysis and Electrochromism
Takashi Takeda; Hidetoshi Kawai; Kenshu Fujiwara; Takanori Suzuki
International Conference on Molecular Machines and Sensors, May 2007, Not invited

ナフタレン-1,8-ジイル骨格に組み込まれた分子内トリアリールメタン―トリアリールメチリウム錯体：電荷移動相互作用およびヒドリドシフトに対する置換基効果
武田 貴志; 河合 英敏; 藤原 憲秀; 鈴木 孝紀
日本化学会第87春季年会, Mar. 2007, Not invited

Acridan-Acridinium Complex Incorporated in Naphthalene-1,8-diyl Skeleton: Isolation and Low-temperature X-ray Analysis of Intramolecular Triarylmethane-Triarylmethylium Complex
Takashi Takeda; Hidetoshi Kawai; Kenshu Fujiwara; Takanori Suzuki
International Mini-symposium on Advanced Chemistry and Chemical Education, Feb. 2007, Not invited

1,1,2,2-Tetraarylpyracene Derivatives with the Longest Carbon-Carbon Bond
Takashi Takeda; Hidetoshi Kawai; Kenshu Fujiwara; Takanori Suzuki
Japan-China Joint Symposium on Modern Chemistry, Nov. 2006, Not invited

究極の炭素―炭素結合長を持つ1,1,2,2-テトラアリールピラセン誘導体の合成とX線構造
武田 貴志; 河合 英敏; 藤原 憲秀; 鈴木 孝紀
第15回有機結晶シンポジウム, Nov. 2006, Not invited

世界最長の炭素―炭素単結合を持つ1,1,2,2-テトラアリールピラセン誘導体
河合 英敏; 武田 貴志; 藤原 憲秀; 鈴木孝紀
第18回基礎有機化学連合討論会, Oct. 2006, Not invited

アセナフチレン骨格に組み込まれた分子内トリアリールメタン―トリアリールメチリウム錯体の合成および構造と物性
武田 貴志; 河合 英敏; 藤原 憲秀; 鈴木 孝紀
日本化学会第85春季年会, Mar. 2006

初めての単離可能なC-H架橋カルボカチオン：非対称な局在化構造と分子内ヒドリド転位
武田 貴志; 河合 英敏; 藤原 憲秀; 鈴木 孝紀
北海道支部2006年冬季研究発表会, Jan. 2006, Not invited

分子内トリアリールメタン―トリアリールメチリウム錯体：C-H架橋カルボカチオンの動的挙動と特異な構造
河合 英敏; 武田 貴志; 藤原 憲秀; 鈴木 孝紀
第35回構造有機化学討論会, Sep. 2005, Not invited

1.7Åを超えるC-C結合を有する1,1,2,2-テトラアリールアセナフテン誘導体の合成と性質
河合 英敏; 武田 貴志; 藤原 憲秀; 鈴木 孝紀
日本化学会第85春季年会, Mar. 2005, Not invited

非常に近接したカチオン―カチオン接触を有する9,9’-(1,8-ナフタレンジイル)ビスアクリジニウムの物性およびその特異な反応性
武田 貴志; 河合 英敏; 藤原 憲秀; 鈴木 孝紀
日本化学会北海道支部2004年夏季研究発表会, Jul. 2004, Not invited

9,9’-(ナフタレン-1,8-ジイル)ビスアクリジンから導かれる非常に長い結合長を有するヘキサフェニルエタン型化合物の合成と性質
河合 英敏; 武田 貴志; 藤原 憲秀; 鈴木 孝紀
北海道支部2004年冬季研究発表会, Feb. 2004, Not invited

分子科学会

基礎有機化学会

有機合成化学協会

日本化学会